diff --git a/include/binder/MemoryDealer.h b/include/binder/MemoryDealer.h
index 03ac70a..170f20d 100644
--- a/include/binder/MemoryDealer.h
+++ b/include/binder/MemoryDealer.h
@@ -22,232 +22,35 @@
 #include <sys/types.h>
 
 #include <binder/IMemory.h>
-#include <utils/threads.h>
 #include <binder/MemoryHeapBase.h>
 
 namespace android {
 // ----------------------------------------------------------------------------
-class String8;
 
-/*
- * interface for implementing a "heap". A heap basically provides
- * the IMemoryHeap interface for cross-process sharing and the
- * ability to map/unmap pages within the heap.
- */
-class HeapInterface : public virtual BnMemoryHeap
-{
-public:
-    // all values must be page-aligned
-    virtual sp<IMemory> mapMemory(size_t offset, size_t size) = 0;
-
-    HeapInterface();
-protected:
-    virtual ~HeapInterface();
-};
-
-// ----------------------------------------------------------------------------
-
-/*
- * interface for implementing an allocator. An allocator provides
- * methods for allocating and freeing memory blocks and dumping
- * its state.
- */
-class AllocatorInterface : public RefBase
-{
-public:
-    enum {
-        PAGE_ALIGNED = 0x00000001
-    };
-
-    virtual size_t      allocate(size_t size, uint32_t flags = 0) = 0;
-    virtual status_t    deallocate(size_t offset) = 0;
-    virtual size_t      size() const = 0;
-    virtual void        dump(const char* what, uint32_t flags = 0) const = 0;
-    virtual void        dump(String8& res,
-            const char* what, uint32_t flags = 0) const = 0;
-
-    AllocatorInterface();
-protected:
-    virtual ~AllocatorInterface();
-};
-
-// ----------------------------------------------------------------------------
-
-/*
- * concrete implementation of HeapInterface on top of mmap() 
- */
-class SharedHeap : public HeapInterface, public MemoryHeapBase
-{
-public:
-                        SharedHeap();
-                        SharedHeap(size_t size, uint32_t flags = 0, char const * name = NULL);
-    virtual             ~SharedHeap();
-    virtual sp<IMemory> mapMemory(size_t offset, size_t size);
-};
-
-// ----------------------------------------------------------------------------
-
-/*
- * A simple templatized doubly linked-list implementation
- */
-
-template <typename NODE>
-class LinkedList
-{
-    NODE*  mFirst;
-    NODE*  mLast;
-
-public:
-                LinkedList() : mFirst(0), mLast(0) { }
-    bool        isEmpty() const { return mFirst == 0; }
-    NODE const* head() const { return mFirst; }
-    NODE*       head() { return mFirst; }
-    NODE const* tail() const { return mLast; }
-    NODE*       tail() { return mLast; }
-
-    void insertAfter(NODE* node, NODE* newNode) {
-        newNode->prev = node;
-        newNode->next = node->next;
-        if (node->next == 0) mLast = newNode;
-        else                 node->next->prev = newNode;
-        node->next = newNode;
-    }
-
-    void insertBefore(NODE* node, NODE* newNode) {
-         newNode->prev = node->prev;
-         newNode->next = node;
-         if (node->prev == 0)   mFirst = newNode;
-         else                   node->prev->next = newNode;
-         node->prev = newNode;
-    }
-
-    void insertHead(NODE* newNode) {
-        if (mFirst == 0) {
-            mFirst = mLast = newNode;
-            newNode->prev = newNode->next = 0;
-        } else {
-            newNode->prev = 0;
-            newNode->next = mFirst;
-            mFirst->prev = newNode;
-            mFirst = newNode;
-        }
-    }
-    
-    void insertTail(NODE* newNode) {
-        if (mLast == 0) {
-            insertHead(newNode);
-        } else {
-            newNode->prev = mLast;
-            newNode->next = 0;
-            mLast->next = newNode;
-            mLast = newNode;
-        }
-    }
-
-    NODE* remove(NODE* node) {
-        if (node->prev == 0)    mFirst = node->next;
-        else                    node->prev->next = node->next;
-        if (node->next == 0)    mLast = node->prev;
-        else                    node->next->prev = node->prev;
-        return node;
-    }
-};
-
-
-/*
- * concrete implementation of AllocatorInterface using a simple
- * best-fit allocation scheme
- */
-class SimpleBestFitAllocator : public AllocatorInterface
-{
-public:
-
-                        SimpleBestFitAllocator(size_t size);
-    virtual             ~SimpleBestFitAllocator();
-
-    virtual size_t      allocate(size_t size, uint32_t flags = 0);
-    virtual status_t    deallocate(size_t offset);
-    virtual size_t      size() const;
-    virtual void        dump(const char* what, uint32_t flags = 0) const;
-    virtual void        dump(String8& res,
-            const char* what, uint32_t flags = 0) const;
-
-private:
-
-    struct chunk_t {
-        chunk_t(size_t start, size_t size) 
-            : start(start), size(size), free(1), prev(0), next(0) {
-        }
-        size_t              start;
-        size_t              size : 28;
-        int                 free : 4;
-        mutable chunk_t*    prev;
-        mutable chunk_t*    next;
-    };
-
-    ssize_t  alloc(size_t size, uint32_t flags);
-    chunk_t* dealloc(size_t start);
-    void     dump_l(const char* what, uint32_t flags = 0) const;
-    void     dump_l(String8& res, const char* what, uint32_t flags = 0) const;
-
-    static const int    kMemoryAlign;
-    mutable Mutex       mLock;
-    LinkedList<chunk_t> mList;
-    size_t              mHeapSize;
-};
+class SimpleBestFitAllocator;
 
 // ----------------------------------------------------------------------------
 
 class MemoryDealer : public RefBase
 {
 public:
+    MemoryDealer(size_t size, const char* name = 0);
 
-    enum {
-        READ_ONLY = MemoryHeapBase::READ_ONLY,
-        PAGE_ALIGNED = AllocatorInterface::PAGE_ALIGNED
-    };
-
-    // creates a memory dealer with the SharedHeap and SimpleBestFitAllocator
-    MemoryDealer(size_t size, uint32_t flags = 0, const char* name = 0);
-
-    // provide a custom heap but use the SimpleBestFitAllocator
-    MemoryDealer(const sp<HeapInterface>& heap);
-
-    // provide both custom heap and allocotar
-    MemoryDealer(
-            const sp<HeapInterface>& heap,
-            const sp<AllocatorInterface>& allocator);
-
-    virtual sp<IMemory> allocate(size_t size, uint32_t flags = 0);
+    virtual sp<IMemory> allocate(size_t size);
     virtual void        deallocate(size_t offset);
-    virtual void        dump(const char* what, uint32_t flags = 0) const;
-
+    virtual void        dump(const char* what) const;
 
     sp<IMemoryHeap> getMemoryHeap() const { return heap(); }
-    sp<AllocatorInterface> getAllocator() const { return allocator(); }
 
 protected:
     virtual ~MemoryDealer();
 
-private:    
-    const sp<HeapInterface>&        heap() const;
-    const sp<AllocatorInterface>&   allocator() const;
+private:
+    const sp<IMemoryHeap>&      heap() const;
+    SimpleBestFitAllocator*     allocator() const;
 
-    class Allocation : public BnMemory {
-    public:
-        Allocation(const sp<MemoryDealer>& dealer,
-                ssize_t offset, size_t size, const sp<IMemory>& memory);
-        virtual ~Allocation();
-        virtual sp<IMemoryHeap> getMemory(ssize_t* offset, size_t* size) const;
-    private:
-        sp<MemoryDealer>        mDealer;
-        ssize_t                 mOffset;
-        size_t                  mSize;
-        sp<IMemory>             mMemory;
-    };
-
-    sp<HeapInterface>           mHeap;
-    sp<AllocatorInterface>      mAllocator;
+    sp<IMemoryHeap>             mHeap;
+    SimpleBestFitAllocator*     mAllocator;
 };
 
 
diff --git a/include/binder/MemoryHeapPmem.h b/include/binder/MemoryHeapPmem.h
index dbf26ff..aac164f 100644
--- a/include/binder/MemoryHeapPmem.h
+++ b/include/binder/MemoryHeapPmem.h
@@ -20,10 +20,10 @@
 #include <stdlib.h>
 #include <stdint.h>
 
-#include <binder/MemoryDealer.h>
 #include <binder/MemoryHeapBase.h>
 #include <binder/IMemory.h>
 #include <utils/SortedVector.h>
+#include <utils/threads.h>
 
 namespace android {
 
@@ -31,7 +31,7 @@
 
 // ---------------------------------------------------------------------------
 
-class MemoryHeapPmem : public HeapInterface, public MemoryHeapBase
+class MemoryHeapPmem : public MemoryHeapBase
 {
 public:
     class MemoryPmem : public BnMemory {